Paper Title:
Development of Honeycomb-Type Solid Oxide Fuel Cell Consisting of LaGaO3 Electrolyte
  Abstract

La0.9Sr0.1Ga0.8Mg0.2O3 (LSGM) -based honeycomb cell was first time successfully built and operated in the case of single-wall used condition and the full 4-walls cell one. Power generation characteristic of this honeycomb cell was measured from 700°C to 900°C by using various electrochemical techniques including polarization, current interruption and impedance spectrometry. The LSGM honeycomb cell shows the exact high power density compared with the ZrO2 based cell at the operating temperature range, and its value is 394 and 252 mW/cm2 at 800°C and 700°C, respectively. Thermal stability of this honeycomb cell is also studied and it is seen that the good performance through several times thermal cycling is observed. The 4-walls’s cell stack is successfully working at 800°C, and the volumetric power density is achieved to a value of about 700 mW/cm3.

  Info
Periodical
Materials Science Forum (Volumes 544-545)
Edited by
Hyungsun Kim, Junichi Hojo and Soo Wohn Lee
Pages
969-972
DOI
10.4028/www.scientific.net/MSF.544-545.969
Citation
H. Zhong, H. Matsumoto, T. Ishihara, A. Toriyama, "Development of Honeycomb-Type Solid Oxide Fuel Cell Consisting of LaGaO3 Electrolyte", Materials Science Forum, Vols. 544-545, pp. 969-972, 2007
Online since
May 2007
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